CN112324989B

CN112324989B - Pipeline laying device for municipal construction

Info

Publication number: CN112324989B
Application number: CN202011336556.XA
Authority: CN
Inventors: 熊小渊; 李国选; 周静静
Original assignee: Individual
Current assignee: Xiong Xiaoyuan
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-05-18
Anticipated expiration: 2040-11-25
Also published as: CN112324989A

Abstract

The invention discloses a pipeline laying device for municipal construction, and relates to the technical field of municipal construction. The pipeline protection device comprises a plurality of protection frames arranged on the outer side of a pipeline, wherein a plurality of connecting rod assemblies are connected between every two adjacent protection frames, and the bottoms of the protection frames are provided with bases in a matched mode; the protective frame comprises a supporting frame positioned at the bottom and a movable frame positioned above the supporting frame and connected with the supporting frame; the top of the plurality of protection frames is provided with a top plate assembly, and the top plate assembly comprises a plurality of top plates which are sequentially connected; any one top plate is arranged on the movable frame. According to the invention, through the arrangement of the protection frame, the protection frame is firstly impacted when being impacted, so that the direct impact on a pipeline is avoided, and the protection of the pipeline is realized; simultaneously through setting up spring A between protection frame and the base, realize can following base horizontal migration when protection frame atress to utilize spring A to unload the power, thereby reduce the protection frame and receive the striking and make the damage degree.

Description

Pipeline laying device for municipal construction

Technical Field

The invention belongs to the technical field of municipal construction, and particularly relates to a pipeline laying device for municipal construction.

Background

Municipal works are generally national infrastructures, which refer to infrastructures such as various public transportation facilities, water supply, drainage, gas, urban flood control, environmental sanitation and lighting in urban construction, are material foundations essential for urban survival and development, and are basic conditions for improving the living standard of people and opening the people to the outside. For this reason, pipeline construction is a very inseparable part of municipal works.

The above-mentioned pipes include various pipelines closely related to life: rain, sewage, water, reclaimed water, electricity (parts other than red lines), telecommunications, heat, gas, and the like; most of the existing municipal pipelines are buried underground; however, a small amount of pipelines are limited by construction, terrain and other factors, the pipelines are erected above the ground, and the exposed pipelines have great safety risks and potential safety hazards such as external force impact; generally, in the construction process, iron wires are only wrapped on the periphery of a pipe exposed outside for simple protection, and the simple protection plays a small role in pipeline protection work and is difficult to effectively protect the pipeline.

Disclosure of Invention

The invention aims to provide a pipeline laying device for municipal construction, which realizes the protection of municipal pipelines, reduces the probability of the pipelines being impacted, improves the difficulty of the pipelines being impacted and solves the problem that the pipelines are difficult to be effectively protected in the prior art by arranging a protection frame.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a pipeline laying device for municipal construction, which comprises a plurality of protection frames arranged on the outer side of a pipeline, wherein a plurality of connecting rod assemblies are connected between every two adjacent protection frames, and the bottoms of the protection frames are provided with bases in a matching way; the protective frame comprises a supporting frame positioned at the bottom and a movable frame positioned above the supporting frame and connected with the supporting frame;

the supporting frame comprises a bottom plate in a T-shaped structure, two ends of the bottom plate are respectively provided with a vertical upward upright post A, the bottom plate between the two upright posts A is also respectively provided with two vertical upward upright posts B, and an obliquely arranged supporting rod is connected between the middle part of each upright post B and the top of each upright post A; the top of the upright post B is provided with a hinged support A, and two sides of the upright post B are respectively provided with at least one mounting groove which is matched with the connecting rod component;

the movable frame comprises a horizontally arranged mounting beam, two side beams are respectively arranged at two ends of the mounting beam, the two side beams are arranged in a splayed shape, a fixed block is arranged at the end part of each side beam, and a guide rod and a buffer spring sleeved on the outer side of the guide rod are arranged at the end part of each fixed block; the top end of the upright post A is provided with a guide jack matched with the guide rod; the center of the bottom side surface of the mounting beam is provided with a hinged support B, a telescopic rod A is connected between any one hinged support A and the hinged support B, and the two telescopic rods A are arranged in an inverted V shape.

Further, the base comprises a base body, a T-shaped groove matched with the bottom plate is formed in the upper surface of the base body, two ends of the T-shaped groove are respectively provided with a spring A, and the end part of the spring A is fixed at one end of the bottom plate; and the bottom side surface of the base body is provided with a lifting control mechanism.

Furthermore, the lifting control mechanism comprises a shell sleeved outside the base body, through holes are respectively formed in two ends of the shell, one-way bearings are respectively arranged on the two through holes, an operating rod penetrates through the two one-way bearings, and a plurality of oval control plates are arranged on the outer side of the operating rod between the two one-way bearings at equal intervals; the two sides of the end part of the shell are respectively provided with an installation block, and the installation blocks are provided with installation holes.

Furthermore, the connecting rod component comprises a telescopic rod B, and two ends of the telescopic rod B are respectively provided with an installation head which is matched with the installation groove; the mounting head is a joint bearing.

Further, telescopic link B and telescopic link A structure are the same, telescopic link A is including the outer rectangular sleeve and the interior rectangular rod that cup joint each other, connecting spring B between outer rectangular sleeve and the interior rectangular rod.

Furthermore, top plate assemblies are arranged at the tops of the plurality of protection frames, and each top plate assembly comprises a plurality of top plates which are sequentially connected; any one roof all sets up on the adjustable shelf.

Furthermore, the top plate comprises a rectangular beam positioned in the middle, and a plurality of first cross rods and a plurality of second cross rods are arranged on two sides of the rectangular beam at equal intervals; a T-shaped sliding strip is arranged on one side of the first cross bar, and a T-shaped sliding groove matched with the T-shaped sliding strip is arranged on one side of the second cross bar;

the rectangular beam is characterized in that a plurality of fixing holes A are formed in the center of the bottom side face of the rectangular beam, positioning blocks clamped at one end of the mounting beam are arranged on the bottom side faces of the rectangular beam on two sides of the fixing holes A, and fixing holes B matched with the fixing holes A in installation are formed in the mounting beam.

Further, the device also comprises a support assembly for supporting the pipeline; the supporting assembly comprises a base plate positioned at the bottom, a vertically arranged rectangular frame is fixed on the upper surface of the base plate through a plurality of elastic telescopic columns, a supporting column is arranged on the bottom side surface of the rectangular frame, and a column body A for clamping a pipeline is arranged at the end part of the supporting column; through holes are respectively formed in the two sides and the top of the rectangular frame, and external threaded pipes are arranged in the through holes in the outer side of the rectangular frame; a movable rod is arranged at any one of the through holes in a matched manner, a limiting plate A is arranged at one end, located inside the rectangular frame, of the movable rod, a cylinder B for clamping a pipeline is arranged on the surface of the limiting plate A, a limiting plate B is arranged at the other end of the movable rod, and an operating rod is arranged on the limiting plate B; a spring C is arranged between the limiting plate A and the inner side wall of the rectangular frame and sleeved on the outer side of the movable rod; and the external thread pipe is provided with a locking threaded sleeve in a matching way.

Further, the structure, size and the material of cylinder A and cylinder B are all the same, cylinder B includes the interior cylinder of POM material and sets up the rubber layer in the interior cylinder outside.

Further, the locking swivel nut includes the internal thread pipe of being connected with external screw thread pipe screw-thread fit, the tip of internal thread pipe is provided with a spacing ring, the screw thread runs through on the spacing ring and is provided with an at least adjusting bolt.

The invention has the following beneficial effects:

according to the invention, through the arrangement of the protection frame, the protection frame is firstly impacted when being impacted, so that the direct impact on a pipeline is avoided, and the protection of the pipeline is realized; meanwhile, the spring A is arranged between the protection frame and the base, so that the protection frame can horizontally move along the base when stressed, the spring A is utilized to unload force, and the damage degree of the protection frame due to impact is reduced; simultaneously, the top of the protection frame is provided with the top plate assembly, so that the impact damage of falling objects to the pipeline is avoided.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the construction of the laying apparatus of the present invention;

FIG. 2 is a schematic view of a partial structure of the laying device of the present invention;

FIG. 3 is a schematic view of a supporting frame according to the present invention;

FIG. 4 is a schematic structural view of a movable frame according to the present invention;

FIG. 5 is a schematic view of the top plate structure of the present invention;

FIG. 6 is a schematic view of a base structure according to the present invention;

FIG. 7 is a schematic structural view of a lift control mechanism according to the present invention;

FIG. 8 is a schematic view of a support assembly according to the present invention;

FIG. 9 is a partial schematic view of the support assembly of the present invention;

fig. 10 is a schematic view of the locking nut of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-10, the present invention relates to a pipeline laying device for municipal construction, which comprises a plurality of protection frames 2 arranged outside a pipeline, wherein a plurality of connecting rod assemblies 4 are connected between two adjacent protection frames 2, and a base 1 is arranged at the bottom of each protection frame 2 in a matching manner; the protective frame 2 comprises a supporting frame 21 positioned at the bottom and a movable frame 23 positioned above the supporting frame 21 and connected with the supporting frame 21;

the support frame 21 comprises a bottom plate 211 in a T-shaped structure, two ends of the bottom plate 211 are respectively provided with a vertical upward upright A215, two vertical upward upright B212 are also respectively arranged on the bottom plate 211 between the two upright A215, and a support rod 216 which is obliquely arranged is connected between the middle part of the upright B212 and the top of the upright A215; the top of the upright post B212 is provided with a hinged support A214, and two sides of the upright post B212 are respectively provided with at least one mounting groove 213 which is matched with the connecting rod component 4;

the movable frame 23 comprises a horizontally arranged mounting beam 231, two ends of the mounting beam 231 are respectively provided with a side beam 232, the two side beams 232 are arranged in a splayed shape, the end part of the side beam 232 is provided with a fixed block 233, the end part of the fixed block 233 is provided with a guide rod 235 and a buffer spring 234 sleeved outside the guide rod 235; the top end of the upright post A215 is provided with a guide jack matched with the guide rod 235; the center of the bottom side surface of the mounting beam 231 is provided with a hinged support B236, a telescopic rod A22 is connected between any hinged support A214 and the hinged support B236, and the two telescopic rods A22 are arranged in an inverted V shape.

Preferably, the base 1 includes a base body 11, the upper surface of the base body 11 is provided with a T-shaped groove 12 matching with the bottom plate 211, two ends of the T-shaped groove 12 are respectively provided with a spring a13, and an end of the spring a13 is fixed at one end of the bottom plate 211; the bottom side of the base body 11 is provided with a lifting control mechanism.

Preferably, the lifting control mechanism comprises a casing 14 sleeved outside the base body 11, through holes 19 are respectively formed at two ends of the casing 14, one-way bearings are respectively arranged on the two through holes 19, an operating rod 17 penetrates through the two one-way bearings, and a plurality of oval control plates 18 are arranged at equal intervals outside the operating rod 17 between the two one-way bearings; two sides of the end of the housing 14 are respectively provided with a mounting block 15, and the mounting blocks 15 are provided with mounting holes 16.

Preferably, the connecting rod assembly 4 comprises a telescopic rod B, and two ends of the telescopic rod B are respectively provided with a mounting head which is matched with the mounting groove 213 for mounting; the mounting head is a joint bearing.

Preferably, the telescopic rod B and the telescopic rod A22 have the same structure, the telescopic rod A22 comprises an outer rectangular sleeve and an inner rectangular rod which are sleeved with each other, and a spring B is connected between the outer rectangular sleeve and the inner rectangular rod.

Preferably, top plate components are arranged at the tops of the plurality of protection frames 2, and each top plate component comprises a plurality of top plates 5 which are connected in sequence; any one of the top plates 5 is provided on the movable frame 23.

Preferably, the top plate 5 comprises a rectangular beam 51 located in the middle, and a plurality of first cross bars 52 and second cross bars 54 are respectively arranged on two sides of the rectangular beam 51 at equal intervals; a T-shaped sliding strip 53 is arranged on one side of the first cross bar 52, and a T-shaped sliding groove matched with the T-shaped sliding strip 53 is arranged on one side of the second cross bar 54;

the bottom side center of the rectangular beam 51 is provided with a plurality of fixing holes A55, the bottom side of the rectangular beam 51 at two sides of the fixing holes A55 is provided with a positioning block 56 clamped at one end of the mounting beam 231, and the mounting beam 231 is provided with a fixing hole B matched with the fixing hole A55.

Preferably, a support assembly 3 for supporting the pipe; the supporting component 3 comprises a base plate 31 positioned at the bottom, a vertically arranged rectangular frame 32 is fixed on the upper surface of the base plate 31 through a plurality of elastic telescopic columns 311, a supporting column 321 is arranged on the bottom side surface of the rectangular frame 32, and a column A322 used for clamping a pipeline is arranged at the end part of the supporting column 321; through holes 323 are respectively arranged at the two sides and the top of the rectangular frame 32, and external thread pipes 33 are arranged at the through holes 323 at the outer side of the rectangular frame 32; a movable rod 34 is arranged at any through hole 323 in a matching manner, a limit plate A343 is arranged at one end of the movable rod 34, which is positioned inside the rectangular frame 32, a column B35 for clamping a pipeline is arranged on the surface of the limit plate A343, a limit plate B341 is arranged at the other end of the movable rod 34, and an operating rod 342 is arranged on the limit plate B341; a spring C344 is arranged between the limiting plate A343 and the inner side wall of the rectangular frame 32, and the spring C344 is sleeved on the outer side of the movable rod 34; the external thread pipe 33 is provided with a locking threaded sleeve 36 in a matching way.

Preferably, the column a322 and the column B35 are identical in structure, size and material, and the column B35 includes an inner column of POM material and a rubber layer disposed outside the inner column.

Preferably, the locking screw 36 includes an internal threaded tube 361 that is connected with the external threaded tube 33 in a threaded fit manner, a limiting ring 362 is disposed at an end of the internal threaded tube 361, and at least one adjusting bolt 363 is disposed on the limiting ring 362 in a threaded manner.

When in use, the components are installed as shown in figure 1;

when a heavy object falls from the top, the heavy object firstly collides with the top plate 5, and in order to avoid the top plate 5 from being damaged by collision, a steel wire mesh structure can be arranged above the top plate 5, so that the top plate 5 is protected by the steel wire mesh structure;

utilize the cooperation setting of T type draw runner 53 and T type spout simultaneously, conveniently adjust the distance between two roof 5 according to the distance between the adjustable shelf 23, distance adjustment convenient operation between two roof 5 simultaneously.

Meanwhile, when the top plate 5 is impacted, the movable frame 23 compresses the buffer spring 234 and moves downwards as a whole, and the damage degree of the top plate 5 caused by the heavy object hitting the top plate 5 is reduced by using the buffer action generated by the buffer spring 234. Meanwhile, the arrangement of the telescopic rod A22 is utilized, so that the assembling stability of the movable frame 23 and the supporting frame 21 is improved on the whole. Meanwhile, the rectangular beam 51 is provided with the positioning block 56 clamped at one end of the mounting beam 231, so that the top plate 5 can be conveniently mounted on the top of the movable frame 23 as a whole.

When one side of the both sides of pipeline received the striking, then the striker can strike on protection frame 2, then at T type groove 12, bottom plate 211 and spring A13's setting down, protection frame 2 is whole can follow T type groove 12 length direction and remove the one end distance along the striking direction this moment, thereby form the cushioning effect, protection frame 2 has been reduced and has received the destruction degree that the striking produced, realize protecting the pipeline through protection frame 2 simultaneously, avoid the pipeline to receive the striking to take place to destroy, lead to the gas of carrying in the pipeline, leakage such as heating installation or water.

Meanwhile, the lifting control mechanism is arranged on the bottom side surface of the base body 11, when the laying device is assembled, the base body 11 can be driven to move up and down along the shell 14 by rotating the operating rod 17, so that the height of the base 1 is adjusted, and finally the height of the protection frames 2 is adjusted.

Simultaneously through the setting of one-way bearing, avoid base 1 to receive 2 gravity of protection frame with down, make control panel 18 atress cause action bars 17 to overturn along the adjustment direction, cause base 1 to produce uncontrollable altitude drop on the whole, utilize the setting of one-way bearing to carry out the relocking, avoid appearing above-mentioned circumstances, utilize oval-shaped control panel 18's setting simultaneously, conveniently carry out altitude mixture control.

Simultaneously through connecting rod set 4's setting, and connecting rod set 4's both ends all through the rotatable connection of joint bearing between two support frames 21, make when certain protection frame 2 slides a section distance along T type groove 12, be located two protection frame 2 of its both sides and also move a section distance, move aside the back at the impact simultaneously, along the gliding support frame 21 of T type groove 12 can resume initial position, setting through connecting rod set 4, when realizing moving at support frame 21, the change of distance between the adjacent support frame 21 is followed, but the mounting means of telescopic and joint bearing through connecting rod set 4, when reducing certain protection frame 2 and receive the striking, its influence and the destruction degree to adjacent protection frame 2.

Through the arrangement of the supporting component 3, the pipelines can be conveniently and fixedly clamped through the arrangement of the column B35 and the column A322, meanwhile, through the arrangement of the movable rod 34 and the spring C344, the supporting component 3 can fixedly clamp the pipelines with various sizes, and meanwhile, the telescopic action of the movable rod 34 is utilized, so that the pipelines can be conveniently clamped in the supporting component 3, meanwhile, through the arrangement of the locking screw sleeve 36, the telescopic action of the movable rod 34 is conveniently limited, and the phenomenon that the clamping is unstable due to the telescopic action of the movable rod 34 in a natural state is avoided; meanwhile, the expansion of the movable rod 34 is conveniently limited and the operation is convenient through the arrangement of the adjusting bolt 363. Meanwhile, due to the arrangement of the elastic telescopic column 311, the supporting component 3 is convenient to mount, and the telescopic column 311 is utilized to stretch out and draw back within a certain height error range, so that the mounting and the operation are convenient.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pipe laying device of municipal construction which characterized in that: the pipeline protection device comprises a plurality of protection frames (2) arranged on the outer side of a pipeline, a plurality of connecting rod assemblies (4) are connected between every two adjacent protection frames (2), and a base (1) is arranged at the bottom of each protection frame (2) in a matched mode;

the protective frame (2) comprises a supporting frame (21) positioned at the bottom and a movable frame (23) positioned above the supporting frame (21) and connected with the supporting frame (21);

the supporting frame (21) comprises a bottom plate (211) with a T-shaped structure, two ends of the bottom plate (211) are respectively provided with an upright post A (215) which is vertically upward, the bottom plate (211) positioned between the two upright posts A (215) is also respectively provided with two upright posts B (212) which are vertically upward, and a supporting rod (216) which is obliquely arranged is connected between the middle part of each upright post B (212) and the top part of each upright post A (215);

the top of the upright post B (212) is provided with a hinged support A (214), and two sides of the upright post B (212) are respectively provided with at least one mounting groove (213) which is matched with the connecting rod assembly (4) for mounting;

the movable frame (23) comprises a horizontally arranged mounting beam (231), two ends of the mounting beam (231) are respectively provided with a side beam (232), the two side beams (232) are arranged in a splayed shape, the end part of each side beam (232) is provided with a fixed block (233), the end part of each fixed block (233) is provided with a guide rod (235) and a buffer spring (234) sleeved outside the guide rod (235); the top end of the upright post A (215) is provided with a guide jack matched with the guide rod (235);

the center of the bottom side surface of the mounting beam (231) is provided with a hinged support B (236), a telescopic rod A (22) is connected between any hinged support A (214) and the hinged support B (236), and the two telescopic rods A (22) are arranged in an inverted V shape.

2. The pipe laying device for municipal construction according to claim 1, wherein the base (1) comprises a base body (11), the upper surface of the base body (11) is provided with a T-shaped groove (12) matched with the bottom plate (211), two ends of the T-shaped groove (12) are respectively provided with a spring a (13), and the end of the spring a (13) is fixed at one end of the bottom plate (211);

the bottom side surface of the base body (11) is provided with a lifting control mechanism.

3. The pipe laying device for municipal construction according to claim 2, wherein the lifting control mechanism comprises a housing (14) sleeved outside the base body (11), through holes (19) are respectively formed at two ends of the housing (14), one-way bearings are respectively arranged on the two through holes (19), an operating rod (17) penetrates through the two one-way bearings, and a plurality of oval control plates (18) are arranged at equal intervals outside the operating rod (17) between the two one-way bearings;

the two sides of the end part of the shell (14) are respectively provided with an installation block (15), and the installation blocks (15) are provided with installation holes (16).

4. The municipal pipeline laying device according to claim 1, wherein the connecting rod assembly (4) comprises a telescopic rod B, and the two ends of the telescopic rod B are respectively provided with a mounting head which is matched with the mounting groove (213); the mounting head is a joint bearing.

5. The pipe laying device for municipal construction according to claim 4, wherein the telescopic rod B and the telescopic rod A (22) are identical in structure, the telescopic rod A (22) comprises an outer rectangular sleeve and an inner rectangular rod which are sleeved with each other, and the spring B is connected between the outer rectangular sleeve and the inner rectangular rod.

6. The municipal pipeline laying device according to any one of claims 1 to 5, wherein a top plate assembly is arranged on the top of the plurality of protection frames (2), and the top plate assembly comprises a plurality of top plates (5) connected in sequence;

any one of the top plates (5) is arranged on the movable frame (23).

7. The pipe laying device for municipal construction according to claim 6, wherein the top plate (5) comprises a rectangular beam (51) in the middle, and a plurality of first cross bars (52) and second cross bars (54) are respectively arranged on two sides of the rectangular beam (51) at equal intervals;

a T-shaped sliding strip (53) is arranged on one side of the first cross bar (52), and a T-shaped sliding groove matched with the T-shaped sliding strip (53) is arranged on one side of the second cross bar (54);

the rectangular beam is characterized in that a plurality of fixing holes A (55) are formed in the center of the bottom side face of the rectangular beam (51), positioning blocks (56) clamped at one end of the installation beam (231) are arranged on the bottom side faces of the rectangular beam (51) on two sides of the fixing holes A (55), and fixing holes B matched with the fixing holes A (55) in installation are formed in the installation beam (231).

8. The municipal pipeline laying device according to claim 6, further comprising a support assembly (3) for supporting the pipeline;

the supporting assembly (3) comprises a base plate (31) positioned at the bottom, a vertically arranged rectangular frame (32) is fixed on the upper surface of the base plate (31) through a plurality of elastic telescopic columns (311), a supporting column (321) is arranged on the bottom side surface of the rectangular frame (32), and a column A (322) used for clamping a pipeline is arranged at the end part of the supporting column (321);

through holes (323) are respectively formed in the two sides and the top of the rectangular frame (32), and external threaded pipes (33) are arranged at the through holes (323) on the outer side of the rectangular frame (32);

a movable rod (34) is arranged at any one of the through holes (323) in a matched manner, a limiting plate A (343) is arranged at one end, located inside the rectangular frame (32), of the movable rod (34), a column B (35) used for clamping a pipeline is arranged on the surface of the limiting plate A (343), a limiting plate B (341) is arranged at the other end of the movable rod (34), and an operating rod (342) is arranged on the limiting plate B (341);

a spring C (344) is arranged between the limiting plate A (343) and the inner side wall of the rectangular frame (32), and the spring C (344) is sleeved on the outer side of the movable rod (34);

and a locking threaded sleeve (36) is arranged at the external threaded pipe (33) in a matching way.

9. The apparatus as claimed in claim 8, wherein the columns A (322) and B (35) are identical in structure, size and material, and the column B (35) comprises an inner column of POM material and a rubber layer disposed outside the inner column.

10. The municipal pipeline laying device according to claim 8, wherein the locking screw sleeve (36) comprises an internal threaded pipe (361) in threaded fit connection with the external threaded pipe (33), a limiting ring (362) is arranged at the end of the internal threaded pipe (361), and at least one adjusting bolt (363) is arranged on the limiting ring (362) in a threaded penetrating manner.